Home / 16,719.62-25,042.41-6,828.89

Finding the Fourth Proportional to 16,719.62, 25,042.41 and 6,828.89

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Solution

The fourth proportional to 16,719.62, 25,042.41 and 6,828.89 is: 10,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.62 : 25,042.41 = 6,828.89 : x
  2. Step 2: Convert to fraction form
    16,719.62/25,042.41 = 6,828.89/x
  3. Step 3: Cross multiply
    16,719.62x = 25,042.41 × 6,828.89
  4. Step 4: Simplify right side
    16,719.62x = 171,011,738.01
  5. Step 5: Solve for x
    x = 171,011,738.01/16,719.62
  6. Step 6: Final answer
    x = 10,228.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.